Malicious Code Injection in umi-tiwul40-kyuki Package - npm Vulnerability
Summary
MAL-2025-91506: Malicious code in umi-tiwul40-kyuki (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The umi-tiwul40-kyuki package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package is designed to facilitate the automatic generation and publication of derivative packages, which can inflate developer reputation scores for token rewards. However, it has been identified as containing malicious scripts that compromise its integrity.
Vulnerability Detail
The vulnerability in the umi-tiwul40-kyuki package stems from its inclusion in a campaign that floods the npm registry with malicious packages. These packages contain scripts that modify the package.json file to remove private flags, alter version numbers, and generate random package names. This behavior leads to the pollution of the npm registry and can potentially harm developers by affecting their reputation and the integrity of their projects.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall umi-tiwul40-kyukiIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, you can avoid using the umi-tiwul40-kyuki package and look for alternative packages that provide similar functionality without the associated risks. Additionally, you can monitor your project for any changes in the npm registry that may indicate the presence of malicious packages.
Conclusion
The umi-tiwul40-kyuki package poses a significant risk due to its malicious code that can compromise the integrity of projects using it. It is crucial to remove this package and monitor your dependencies for any vulnerabilities to maintain a secure development environment.
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FAQ
The umi-tiwul40-kyuki package is an npm package associated with a token reward campaign that has been identified as containing malicious code.
This vulnerability can lead to the pollution of the npm registry and may compromise the integrity of your project by introducing malicious code.
You should uninstall the umi-tiwul40-kyuki package immediately and check for any dependencies that may be affected.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in your software using just package-lock.json. You can check your application for vulnerabilities using the Vulert playground without any signup.
Regularly update your dependencies, monitor for vulnerabilities, and consider using tools like Vulert to keep your project secure.
